Where is the blend door actuator on a Silverado?
The Blend Door actuator is located in the center of the core box, up under the dash. The Mode Door actuator is on the left, and the Resirc Door actuator is at the top of the dash near the windshield.
Do you need to replace blend door actuator?
A stuck blend door actuator can have you melting in the heat or freezing in the cold. Replacing those faulty units is unfortunately a tedious process, requiring removal of the entire dash, as explained here. This article applies to the Chevrolet Silverado 1500 (1996-2006). The heater blend doors act as a gateway to the vehicle’s ventilation system.
How do you replace a blend door on a Chevy Silverado?
For those interested in replacing the driver side actuator, refer to the following instructions: The driver-side blend door is accessed by removing the IP instrumental panel. Once the panel is off, simply loosen the actuator mounting screws and disconnect it from the HVAC system. Then replace the unit.
How does the actuator on a garage door work?
If the door is working properly, air will come out through each of the outlet positions as it is rotated, floor, vent and defrost. You may feel some slight binding of the linkage. If you can rotate it easily with two fingers it is ok. The actuator is geared way down so it has plenty of power.
Is the blend actuator on my Silverado bad?
I have a 2006 Silverado with a bad blend door Actuator. It has been trouble shot at the dealership and this was the outcome. I tried the disconnect battery reboot several times with NO luck. The air will only blow thru the defrost which I hear is a default setting for when the door goes bad.
For those interested in replacing the driver side actuator, refer to the following instructions: The driver-side blend door is accessed by removing the IP instrumental panel. Once the panel is off, simply loosen the actuator mounting screws and disconnect it from the HVAC system. Then replace the unit.
How to fix Chevy GMC Truck heater blend door?
1999 – 2004? Chevy GMC Truck Heater Blend Door Stuck Easy Fix How-to – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.
A stuck blend door actuator can have you melting in the heat or freezing in the cold. Replacing those faulty units is unfortunately a tedious process, requiring removal of the entire dash, as explained here. This article applies to the Chevrolet Silverado 1500 (1996-2006). The heater blend doors act as a gateway to the vehicle’s ventilation system.
What happens when mode / blend door actuator goes bad?
If there is an open control input at P1-8, the actuator should drive to the center of its range and stop. If the position sensing pot, PBR goes bad, the results are unpredictable. The summed voltage is compared to a voltage ½ way between ground and +12V. In the schematic that is R4 and R5.
How can I tell if my mode door actuator is working?
Reach up with your fingers, and rotate the mode door linkage shaft to verify that it moves freely, and seems to work ok. If the door is working properly, air will come out through each of the outlet positions as it is rotated, floor, vent and defrost. You may feel some slight binding of the linkage.
Is there a problem with the blend door actuator?
Took out blend door actuator that controls driver side heat/air. Manually operated door and got cool air or hot air so door is not a problem. I am trying to figure if it is the actautor or the control. Took the actuator apart and checked motor with 9v battery and motor will turn both ways when hooking directly to motor leads.
Is there a problem with my GMC Sierra door actuator?
2003 GMC Sierra blowing hot air on driver side. Took out blend door actuator that controls driver side heat/air. Manually operated door and got cool air or hot air so door is not a problem. I am trying to figure if it is the actautor or the control.
The Blend Door actuator is located in the center of the core box, up under the dash. The Mode Door actuator is on the left, and the Resirc Door actuator is at the top of the dash near the windshield.
What kind of motor does a blend actuator use?
It is usually powered using a vacuum or a small motor which is mouthed with the assembly (heat and air). A blend actuator has an electronic motor that turns a plastic gear set in different directions. Then at the final drive of the unit, it is connected to an air control pivot door.